package com.lionel.test;

import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;

public class UseCopyOnWrite {
	public static void main(String[] args) {
		CopyOnWriteArrayList<String> cwal = new CopyOnWriteArrayList<>();
		CopyOnWriteArraySet<String> cwas = new CopyOnWriteArraySet<>();
		
	}
}
